[Rev 03] RFR: 8217472: Add attenuation for PointLight

[Kevin Rushforth]

On Tue, 7 Apr 2020 23:03:21 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> @arapte Can you please test the performance changes too?
>
> I think @arapte has a similar MacBookPro model to mine.
> 
> I think @prrace might be able to test it (I'll sync with him offline).

Here are the results on Phil's machine, which is a Mac Book Pro with a graphics accelerator (Nvidia, I think).

Without the patch:
2000 quads average 8.805 fps

With the patch:
2000 quads average 4.719 fps

Almost a 2x performance hit.

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PR: https://git.openjdk.java.net/jfx/pull/43